src/gtk/pen.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/pen.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 // For compilers that support precompilation, includes "wx.h".
  11 #include "wx/wxprec.h"
  12
  13 #include "wx/pen.h"
  14
  15 #ifndef WX_PRECOMP
  16     #include "wx/colour.h"
  17 #endif
  18
  19 #include <gdk/gdk.h>
  20
  21 //-----------------------------------------------------------------------------
  22 // wxPen
  23 //-----------------------------------------------------------------------------
  24
  25 class wxPenRefData: public wxGDIRefData
  26 {
  27 public:
  28     wxPenRefData()
  29     {
  30         m_width = 1;
  31         m_style = wxPENSTYLE_SOLID;
  32         m_joinStyle = wxJOIN_ROUND;
  33         m_capStyle = wxCAP_ROUND;
  34         m_dash = NULL;
  35         m_countDashes = 0;
  36     }
  37
  38     wxPenRefData( const wxPenRefData& data )
  39         : wxGDIRefData()
  40     {
  41         m_style = data.m_style;
  42         m_width = data.m_width;
  43         m_joinStyle = data.m_joinStyle;
  44         m_capStyle = data.m_capStyle;
  45         m_colour = data.m_colour;
  46         m_countDashes = data.m_countDashes;
  47         m_dash = data.m_dash;
  48     }
  49
  50     bool operator == (const wxPenRefData& data) const
  51     {
  52         if ( m_countDashes != data.m_countDashes )
  53             return false;
  54
  55         if ( m_dash )
  56         {
  57             if ( !data.m_dash ||
  58                  memcmp(m_dash, data.m_dash, m_countDashes*sizeof(wxGTKDash)) )
  59             {
  60                 return false;
  61             }
  62         }
  63         else if ( data.m_dash )
  64         {
  65             return false;
  66         }
  67
  68
  69         return m_style == data.m_style &&
  70                m_width == data.m_width &&
  71                m_joinStyle == data.m_joinStyle &&
  72                m_capStyle == data.m_capStyle &&
  73                m_colour == data.m_colour;
  74     }
  75
  76     int        m_width;
  77     wxPenStyle m_style;
  78     wxPenJoin  m_joinStyle;
  79     wxPenCap   m_capStyle;
  80     wxColour   m_colour;
  81     int        m_countDashes;
  82     wxGTKDash *m_dash;
  83 };
  84
  85 //-----------------------------------------------------------------------------
  86
  87 #define M_PENDATA ((wxPenRefData *)m_refData)
  88
  89 IMPLEMENT_DYNAMIC_CLASS(wxPen,wxGDIObject)
  90
  91 wxPen::wxPen( const wxColour &colour, int width, wxPenStyle style )
  92 {
  93     m_refData = new wxPenRefData();
  94     M_PENDATA->m_width = width;
  95     M_PENDATA->m_style = style;
  96     M_PENDATA->m_colour = colour;
  97 }
  98
  99 #if FUTURE_WXWIN_COMPATIBILITY_3_0
 100 wxPen::wxPen(const wxColour& colour, int width, int style)
 101 {
 102     m_refData = new wxPenRefData();
 103     M_PENDATA->m_width = width;
 104     M_PENDATA->m_style = (wxPenStyle)style;
 105     M_PENDATA->m_colour = colour;
 106 }
 107 #endif
 108
 109 wxPen::~wxPen()
 110 {
 111     // m_refData unrefed in ~wxObject
 112 }
 113
 114 wxGDIRefData *wxPen::CreateGDIRefData() const
 115 {
 116     return new wxPenRefData;
 117 }
 118
 119 wxGDIRefData *wxPen::CloneGDIRefData(const wxGDIRefData *data) const
 120 {
 121     return new wxPenRefData(*(wxPenRefData *)data);
 122 }
 123
 124 bool wxPen::operator == ( const wxPen& pen ) const
 125 {
 126     if (m_refData == pen.m_refData) return true;
 127
 128     if (!m_refData || !pen.m_refData) return false;
 129
 130     return ( *(wxPenRefData*)m_refData == *(wxPenRefData*)pen.m_refData );
 131 }
 132
 133 void wxPen::SetColour( const wxColour &colour )
 134 {
 135     AllocExclusive();
 136
 137     M_PENDATA->m_colour = colour;
 138 }
 139
 140 void wxPen::SetDashes( int number_of_dashes, const wxDash *dash )
 141 {
 142     AllocExclusive();
 143
 144     M_PENDATA->m_countDashes = number_of_dashes;
 145     M_PENDATA->m_dash = (wxGTKDash *)dash;
 146 }
 147
 148 void wxPen::SetColour( unsigned char red, unsigned char green, unsigned char blue )
 149 {
 150     AllocExclusive();
 151
 152     M_PENDATA->m_colour.Set( red, green, blue );
 153 }
 154
 155 void wxPen::SetCap( wxPenCap capStyle )
 156 {
 157     AllocExclusive();
 158
 159     M_PENDATA->m_capStyle = capStyle;
 160 }
 161
 162 void wxPen::SetJoin( wxPenJoin joinStyle )
 163 {
 164     AllocExclusive();
 165
 166     M_PENDATA->m_joinStyle = joinStyle;
 167 }
 168
 169 void wxPen::SetStyle( wxPenStyle style )
 170 {
 171     AllocExclusive();
 172
 173     M_PENDATA->m_style = style;
 174 }
 175
 176 void wxPen::SetWidth( int width )
 177 {
 178     AllocExclusive();
 179
 180     M_PENDATA->m_width = width;
 181 }
 182
 183 int wxPen::GetDashes( wxDash **ptr ) const
 184 {
 185     wxCHECK_MSG( IsOk(), -1, wxT("invalid pen") );
 186
 187      *ptr = (wxDash*)M_PENDATA->m_dash;
 188      return M_PENDATA->m_countDashes;
 189 }
 190
 191 int wxPen::GetDashCount() const
 192 {
 193     wxCHECK_MSG( IsOk(), -1, wxT("invalid pen") );
 194
 195     return (M_PENDATA->m_countDashes);
 196 }
 197
 198 wxDash* wxPen::GetDash() const
 199 {
 200     wxCHECK_MSG( IsOk(), NULL, wxT("invalid pen") );
 201
 202     return (wxDash*)M_PENDATA->m_dash;
 203 }
 204
 205 wxPenCap wxPen::GetCap() const
 206 {
 207     wxCHECK_MSG( IsOk(), wxCAP_INVALID, wxT("invalid pen") );
 208
 209     return M_PENDATA->m_capStyle;
 210 }
 211
 212 wxPenJoin wxPen::GetJoin() const
 213 {
 214     wxCHECK_MSG( IsOk(), wxJOIN_INVALID, wxT("invalid pen") );
 215
 216     return M_PENDATA->m_joinStyle;
 217 }
 218
 219 wxPenStyle wxPen::GetStyle() const
 220 {
 221     wxCHECK_MSG( IsOk(), wxPENSTYLE_INVALID, wxT("invalid pen") );
 222
 223     return M_PENDATA->m_style;
 224 }
 225
 226 int wxPen::GetWidth() const
 227 {
 228     wxCHECK_MSG( IsOk(), -1, wxT("invalid pen") );
 229
 230     return M_PENDATA->m_width;
 231 }
 232
 233 wxColour wxPen::GetColour() const
 234 {
 235     wxCHECK_MSG( IsOk(), wxNullColour, wxT("invalid pen") );
 236
 237     return M_PENDATA->m_colour;
 238 }
 239
 240 // stippled pens are not supported by wxGTK
 241 void wxPen::SetStipple(const wxBitmap& WXUNUSED(stipple))
 242 {
 243     wxFAIL_MSG( "stippled pens not supported" );
 244 }
 245
 246 wxBitmap *wxPen::GetStipple() const
 247 {
 248     return NULL;
 249 }
 250